Anchoring system for a catheter delivered device

Abstract

The present disclosure relates to various anchoring systems for a catheter delivered device. In one instance the anchoring systems of the present disclosure are designed to be used in connection with a pulmonary artery implant device. In one embodiment, an anchoring system of the present disclosure comprises two anchoring ends, a distal end anchoring structure and a proximal end anchoring structure, where at least one of the distal or proximal anchoring structures has a clover-shaped structure formed by at least three lobes. In another embodiment, the distal anchoring structure includes an elongated and angled shape formed by wire material. In another embodiment, both the distal and proximal anchoring structures have a clover-shaped structure formed by at least three lobes.

What is claimed is: 
     
         1 . An anchoring system for a vascular implant comprising:
 an implant having a distal end and a proximal end; and   an anchoring system comprising a distal anchor and a proximal anchor, where the distal anchor is attached to the distal end of the implant and the proximal anchor is attached to the proximal end of the implant;   wherein said distal anchor or said proximal anchor is formed from a flexible member configured to be placed into a retracted position for catheter delivery, and placed in an expanded position for placement within a vessel;   wherein said at least one anchor is configured to position said implant against a vessel wall; and   wherein at least one of the distal anchor or the proximal anchor has formed therein a lobe structure arranged in a manner where at least two lobes are located on either side of at least one central lobe so as to accomplish secure placement of the implant within a vessel.   
     
     
         2 . The anchoring system of  claim 1 , wherein the proximal anchor has formed therein at least three lobe structures to accomplish secure placement of the implant upon implantation thereof by a catheter device. 
     
     
         3 . The anchoring system of  claim 1 , wherein at least one lobe is configured to provide increased force on said vessel in order to mitigate movement of said implant after deployment. 
     
     
         4 . The anchoring system of  claim 1 , wherein the anchoring system is designed for use in a pulmonary artery and the implant is designed to be read by an external reader unit placed against the chest of a patient in which the implant is located. 
     
     
         5 . The anchoring assembly of  claim 3 , wherein said mitigated movement of said implant is proximal movement caused by contact with said catheter after implant deployment. 
     
     
         6 . The anchoring assembly of  claim 1 , wherein said anchors are made of at least one type of extruded material selected from the following: nitinol, stainless steel, platinum, polished nitinol, low-inclusion nitinol, nitinol with a platinum core, and polymer. 
     
     
         7 . The anchoring assembly of  claim 1 , wherein said lobe structure is a three lobe structure formed from a continuous wire and arranged in a manner wherein the two smaller lobes are located on either side of the central lobe wherein the central lobe is a larger lobe that has an overall length of at least 200 percent the length of the smaller lobes. 
     
     
         8 . The anchoring assembly of  claim 1 , wherein said lobe structure is a three lobe structure formed from a continuous wire into a clover-shaped structure with at least two lobes located on either side of said central lobe. 
     
     
         9 . The anchoring assembly of  claim 1 , wherein the two lobes are configured to provide a radial force against a vessel wall to prevent migration and rotation of the implant within the vessel. 
     
     
         10 . The anchoring assembly of  claim 1 , wherein the lobe structure is configured to radially expand to abut against an inner wall of the vessel such that the at least two lobes expand outwardly from the implant while the central lobe extends upwardly from the implant. 
     
     
         11 . An anchoring system for a vascular implant comprising:
 an implant having a distal end and a proximal end; and   an anchoring system comprising at least one anchor formed from a flexible member configured to be placed into a retracted position for catheter delivery, and placed in an expanded position for placement within a vessel;   wherein said at least one anchor is configured to position said implant against a vessel wall; and   wherein the at least one anchor is formed as a lobe structure arranged in a manner where at least two lobes are located on either side of at least one central lobe so as to accomplish secure placement of the implant within a vessel.   
     
     
         12 . The anchoring system of  claim 11 , wherein the anchoring system is designed for use in a pulmonary artery and the implant includes a sensor that is designed to be read from the chest of a patient in which the implant is located. 
     
     
         13 . The anchoring assembly of  claim 11 , wherein said lobe structure is configured to translate force against the implant along the vessel axis to a radial force against the vessel wall that is provided by the two lobes. 
     
     
         14 . The anchoring assembly of  claim 11 , wherein said central lobe has an overall length of at least 200 percent the length of said two side lobes. 
     
     
         15 . The anchoring assembly of  claim 11 , wherein the lobe structure is a three lobe structure formed from a continuous wire into a clover-shaped structure with the at least two lobes located on either side of said central lobe. 
     
     
         16 . The anchoring assembly of  claim 11 , wherein the two lobes are configured to provide a radial force against a vessel wall to prevent migration and rotation of the implant within the vessel. 
     
     
         17 . The anchoring assembly of  claim 11 , wherein the lobe structure is a three lobe structure that is configured to radially expand to abut against an inner wall of the vessel such that the two lobes expand outwardly from the implant while the central lobe extends upwardly from the implant. 
     
     
         18 . A method for inserting a biomedical sensor and anchoring system for securing same, the method comprising the steps of:
 (i) placing implant with an anchoring system onto an insertion catheter where the implant and anchoring system comprises:
 a housing having a distal end and a proximal end; and 
 an anchoring system comprising at least one anchor, 
 wherein the anchor is a clover-shaped structure formed from a continuous wire with at least two lobes located on either side of a central lobe; 
   (ii) inserting the insertion catheter with the implant with an anchoring system into a desired blood vessel; and   (iii) implanting the implant with an anchoring system into a desired blood vessel by releasing the implant with an anchoring system from the insertion catheter such that anchoring system secures placement of the implant in a desired location in the desired blood vessel.   
     
     
         19 . The anchoring assembly of  claim 11 , wherein the lobe structure is a three lobe structure that is configured to radially expand to abut against an inner wall of the vessel such that said two lobes expand outwardly from the implant while the central lobe extends upwardly from the implant. 
     
     
         20 . The method of  claim 19 , wherein the anchoring system is designed for use in a pulmonary artery and the implant is designed to be read by an external reader device held against the chest of a patient in which the implant is located.